8505020

素因数分解:

$2^2\times 5^1\times {\mathrm{425251}}^1$

素因数の和:425260

約数の個数: 12

約数和(自身を含む): 17860584

約数和(自身を除く): 9355564

約数列:

[1, 2, 4, 5, 10, 20, 425251, 850502, 1701004, 2126255, 4252510, 8505020]

約数ペア:

[(1, 8505020), (2, 4252510), (4, 2126255), (5, 1701004), (10, 850502), (20, 425251)]